Shareware, Reinstalling?

I have recently found out I need to send I MacBook Pro to Apple to repair the logic board and graphics card. I have, and are planning on buying several pieces of software in the near future, possibly before I send the computer to Apple's repair warehouse/sites. If for some reason the hard drive was damaged, or needed to be repaired and the data was erased, could I use Time Machine, or re-enter the activation codes for the software? Or does this vary by developer? Thanks.

It'll depend on the activation system used, but all the shareware style software I have will allow the re-entering if serial numbers/activation codes. I'd ensure you have a full backup before giving it to Apple: they often wipe drives as part of their troubleshooting procedure.

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